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Permutation, Combination and Probability - Set 5
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NUST Entrance Test
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Mathematics
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Permutation, Combination and Probability
Set 5
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Mashaal Masha
Sep 30, 2022
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Choose the correct options for the following questions.
$\begin{bmatrix}8\\5 \end{bmatrix}$=
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Difficulty: Easy
A:
56
B:
40
C:
63
D:
72
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$n^{2}+3n+2$=
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Difficulty: Easy
A:
$\frac{n!}{(n-1)!}$
B:
$\frac{(n-1)!}{n!}$
C:
$\frac{(n+2)!}{n!}$
D:
$\frac{(n-2)!}{n!}$
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